Home Jstl Use of tag of JSTL
Questions:Ask|Latest


 
 

Share on Google+Share on Google+

Use of tag of JSTL

Advertisement
In this section we will learn how to use tag of Xml tag library of Jstl. This tag is used to perform conditional operations marked by and tags.

Use of <x:choose> tag of JSTL

     

In this section we will learn how to use <x:choose> tag of Xml tag library of Jstl. This tag is used to perform conditional operations marked by <when> and <otherwise> tags. 

<x:when> is used to match given condition in 'select' attribute. If found true execute the statement given in this tag.
<x:otherwise> If found condition false given <x:when> tag, execute tag <x:otherwise>.

 

 

 

 

 

Standard Syntax : <%@ taglib prefix="x" uri="http://java.sun.com/jsp/jstl/xml" %>

Attributes of <x:when> Tag 
select   Defines xPath expression.

choose_xmlJstlTag.jsp

<%@ taglib prefix="x" uri="http://java.sun.com/jsp/jstl/xml" %>
<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<html>
    <head>
        <title>Example x:if tag of JSTL</title>
    </head>
    <body>        
        <c:import var="import" url="employee.xml" />
        <x:parse var="doc" doc="${import}" />
        <table border="1">
            <tr>
            <th>Employee Name</th>
            <th>Promotion </th>
            <x:forEach var="emp" select="$doc/org/company/emp" >
                <tr>
                    <td><x:out select="$emp/name" /> </td>
                    <td>
                        <x:choose>                       
                            <x:when select="$emp/age>23">
                                One month<br>            
                            </x:when>                           
                            <x:otherwise>                
                                Not eligible<br>         
                            </x:otherwise>               
                        </x:choose>                                 
                    </td>
                </tr>
            </x:forEach>
        </table>
    </body>
</html>

Output :


 
Download Source Code

Advertisement

If you enjoyed this post then why not add us on Google+? Add us to your Circles



Liked it!  Share this Tutorial


Follow us on Twitter, or add us on Facebook or Google Plus to keep you updated with the recent trends of Java and other open source platforms.

Posted on: August 26, 2008

Ask Questions?    Discuss: Use of tag of JSTL  

Post your Comment


Your Name (*) :
Your Email :
Subject (*):
Your Comment (*):
  Reload Image
 
 
Comments
DMCA.com